Question 1

A hot desert differs from a cold desert in that a cold desert:

Accepted Answer

A) is found at lower latitudes. 
B) is found in a climate that favors succulents. 
C) is cold at night but very hot during the day. 
D) is found in areas that have two peaks of rainfall during the year. 
E) is characterized by small-leaved shrubs such as sagebrush. 
A) is found at lower latitudes. 
B) is found in a climate that favors succulents. 
C) is cold at night but very hot during the day. 
D) is found in areas that have two peaks of rainfall during the year. 
E) is characterized by small-leaved shrubs such as sagebrush. E

Question 2

Cyprus swamps are characteristically found in the:

Accepted Answer

A) subtropical mixed forest. 
B) coniferous forest. 
C) temperate deciduous forest. 
D) mixed West-coast forest. 
E) Mediterranean scrub. 
A) subtropical mixed forest. 
B) coniferous forest. 
C) temperate deciduous forest. 
D) mixed West-coast forest. 
E) Mediterranean scrub. A

Question 3

At their poleward margins, tropical savannas grade into taiga.

Accepted Answer

A) True 
 B)False  False

Question 4

The addition of phosphorus fertilizers to cleared tropical soils is usually helpful in restoring their fertility.

Accepted Answer

A) True 
 B)False

Question 5

According to the United Nations, the population of the world in 2100 will be:

Accepted Answer

A) 3 to 5 million. 
B) 100 to 500 million. 
C) 1 to 5 billion. 
D) 9 to 10 billion. 
E) 50 to 100 billion.
True-False Questions 
A) 3 to 5 million. 
B) 100 to 500 million. 
C) 1 to 5 billion. 
D) 9 to 10 billion. 
E) 50 to 100 billion.
True-False Questions

Question 6

Which of the following statements about grasslands is FALSE?

Accepted Answer

A) In North America, they become progressively wetter with increasing distance from the Atlantic Ocean. 
B) They are most extensive in the middle latitudes. 
C) When disturbed, they can change to deserts. 
D) Fire is important in their development. 
E) They build deep, rich soils. 
A) In North America, they become progressively wetter with increasing distance from the Atlantic Ocean. 
B) They are most extensive in the middle latitudes. 
C) When disturbed, they can change to deserts. 
D) Fire is important in their development. 
E) They build deep, rich soils.

Question 7

Temperate mixed and temperate deciduous forests differ in that temperate mixed forests:

Accepted Answer

A) have more deciduous trees. 
B) have more conifers. 
C) have warmer winters. 
D) have soils richer in nutrients. 
E) are found farther south. 
A) have more deciduous trees. 
B) have more conifers. 
C) have warmer winters. 
D) have soils richer in nutrients. 
E) are found farther south.

Question 8

A biome refers to a type of relatively homogeneous vegetation occurring over large terrestrial areas.

Accepted Answer

A) True 
 B)False

Question 9

Welwitschia is a plant found in the savanna.

Accepted Answer

A) True 
 B)False

Question 10

The percentage of the biomass of tundra plants that is underground varies from ______ percent.

Accepted Answer

A) 3 to 9 
B) 10 to 18 
C) 20 to 30 
D) 35 to 45 
E) 50 to 98 
A) 3 to 9 
B) 10 to 18 
C) 20 to 30 
D) 35 to 45 
E) 50 to 98

Question 11

In North America, taiga extends farther north along the western side of the continent than along the eastern side.

Accepted Answer

A) True 
 B)False

Question 12

A monsoon forest is a type of:

Accepted Answer

A) subtropical mixed forest. 
B) short-tree forest. 
C) temperate deciduous forest. 
D) tropical rainforest. 
E) tropical seasonal forest. 
A) subtropical mixed forest. 
B) short-tree forest. 
C) temperate deciduous forest. 
D) tropical rainforest. 
E) tropical seasonal forest.

Question 13

A deciduous conifer abundant in some taiga areas is:

Accepted Answer

A) fir. 
B) spruce. 
C) pine. 
D) larch. 
E) poplar. 
A) fir. 
B) spruce. 
C) pine. 
D) larch. 
E) poplar.

Question 14

In tropical seasonal forests the dominant plants are:

Accepted Answer

A) pines trees. 
B) evergreen trees. 
C) shrubs. 
D) deciduous trees. 
E) grasses. 
A) pines trees. 
B) evergreen trees. 
C) shrubs. 
D) deciduous trees. 
E) grasses.

Question 15

The juniper woodlands of the United States occur in areas adjacent to low-elevation deserts.

Accepted Answer

A) True 
 B)False

Question 16

In rainforests, relatively little light penetrates to the forest floor.

Accepted Answer

A) True 
 B)False

Question 17

A characteristic plant found in western North America where desert grades into a savanna-type community is:

Accepted Answer

A) Welwitschia. 
B) succulent euphorbes. 
C) juniper. 
D) creosote bush. 
E) Arizona honeysweet. 
A) Welwitschia. 
B) succulent euphorbes. 
C) juniper. 
D) creosote bush. 
E) Arizona honeysweet.

Question 18

In regions of Mediterranean-type vegetation, most plant growth occurs in the cool, moist summers.

Accepted Answer

A) True 
 B)False

Question 19

The areas with the highest vulnerability of fires are characterized by:

Accepted Answer

A) periods of constant drought. 
B) vulnerability to lightning. 
C) high winds. 
D) large numbers of deciduous trees. 
E) annual moist periods and dry periods. 
A) periods of constant drought. 
B) vulnerability to lightning. 
C) high winds. 
D) large numbers of deciduous trees. 
E) annual moist periods and dry periods.

Question 20

Tropical mixed forests are characterized by having evergreen trees and shrubs.

Accepted Answer

A) True 
 B)False

Exam 32: Global Ecology

A hot desert differs from a cold desert in that a cold desert:

Cyprus swamps are characteristically found in the:

At their poleward margins, tropical savannas grade into taiga.

The addition of phosphorus fertilizers to cleared tropical soils is usually helpful in restoring their fertility.

According to the United Nations, the population of the world in 2100 will be:

Which of the following statements about grasslands is FALSE?

Temperate mixed and temperate deciduous forests differ in that temperate mixed forests:

A biome refers to a type of relatively homogeneous vegetation occurring over large terrestrial areas.

Welwitschia is a plant found in the savanna.

The percentage of the biomass of tundra plants that is underground varies from ______ percent.

In North America, taiga extends farther north along the western side of the continent than along the eastern side.

A monsoon forest is a type of:

A deciduous conifer abundant in some taiga areas is:

In tropical seasonal forests the dominant plants are:

The juniper woodlands of the United States occur in areas adjacent to low-elevation deserts.

In rainforests, relatively little light penetrates to the forest floor.

A characteristic plant found in western North America where desert grades into a savanna-type community is:

In regions of Mediterranean-type vegetation, most plant growth occurs in the cool, moist summers.

The areas with the highest vulnerability of fires are characterized by:

Tropical mixed forests are characterized by having evergreen trees and shrubs.

Botany: an Introduction

The Molecular Composition of Plant Cells

The Plant Cell and the Cell Cycle

The Movement of Substances Into and Out of Cells

The Flow of Energy

Respiration

Photosynthesis, Light, and Life

Sexual Reproduction and Heredity

The Chemistry of Heredity and Gene Expression

Recombinant Dna Technology, Plant Biotechnology, and Genomics

The Process of Evolution

Systematics: the Science of Biological Diversity

Prokaryotes and Viruses

Fungi

Protists: Algae and Heterotrophic Protists

Bryophytes

Seedless Vascular Plants

Gymnosperms

Introduction to the Angiosperms

Evolution of the Angiosperms

Plants and People

Early Development of the Plant Body

Cells and Tissues of the Plant Body

The Root: Structure and Development

The Shoot: Primary Structure and Development

Secondary Growth in Stems

Regulating Growth and Development: the Plant Hormones

External Factors and Plant Growth

Plant Nutrition and Soils

The Movement of Water and Solutes in Plants

The Dynamics of Communities and Ecosystems

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